2,843,811

3² × 17 × 18587

Starting at 2,843,811, the Collatz iteration reaches 1 after 63 steps. The first transition is 8531434; the starting value is odd with 12 positive divisors.

Prime Factor Structure

Factorization String 3^2 × 17 × 18587

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 4,349,592

Proper Divisor Sum 1,505,781

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #2843809 ← → #2843831

Radix Representation

Decimal	2843811
Binary	1010110110010010100011 (22 bits)
Octal	0o12662243
Hexadecimal	0x2B64A3

Divisor Catalog (12)

1 3 9 17 51 153 18,587 55,761 167,283 315,979 947,937 2,843,811

Collatz Trajectory (63 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

2,843,811 8,531,434 4,265,717 12,797,152 6,398,576 3,199,288 1,599,644 799,822 399,911 1,199,734 599,867 1,799,602 899,801 2,699,404 1,349,702 674,851 2,024,554 1,012,277 3,036,832 1,518,416 759,208 379,604 189,802 94,901 284,704 142,352 71,176 35,588 17,794 8,897 26,692 13,346 6,673 20,020 10,010 5,005 15,016 7,508 3,754 1,877 5,632 2,816 1,408 704 352 176 88 44 22 11 34 17 52 26 13 40 20 10 5 16

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